Home / 13,790.56-19,032.93-7,823.71

Finding the Fourth Proportional to 13,790.56, 19,032.93 and 7,823.71

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Solution

The fourth proportional to 13,790.56, 19,032.93 and 7,823.71 is: 10,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.56 : 19,032.93 = 7,823.71 : x
  2. Step 2: Convert to fraction form
    13,790.56/19,032.93 = 7,823.71/x
  3. Step 3: Cross multiply
    13,790.56x = 19,032.93 × 7,823.71
  4. Step 4: Simplify right side
    13,790.56x = 148,908,124.77
  5. Step 5: Solve for x
    x = 148,908,124.77/13,790.56
  6. Step 6: Final answer
    x = 10,797.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.